Search for a W boson decaying to a τ lepton and a neutrino in proton-proton collisions at s=13TeV

The CMS collaboration, E-mail address: cms-publication-committee-chair@cern.ch

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A search for a new high-mass resonance decaying to a τ lepton and a neutrino is reported. The analysis uses proton-proton collision data collected by the CMS experiment at the LHC at s=13TeV, corresponding to an integrated luminosity of 35.9fb −1 . The search utilizes hadronically decaying τ leptons. No excess in the event yield is observed at high transverse masses of the τ and missing transverse momentum. An interpretation of results within the sequential standard model excludes W boson masses below 4.0 TeV at 95% confidence level. Existing limits are also improved on models in which the W boson decays preferentially to fermions of the third generation. Heavy W bosons with masses less than 1.7–3.9 TeV, depending on the coupling in the non-universal G(221) model, are excluded at 95% confidence level. These are the most stringent limits on this model to date.

Original languageEnglish
Pages (from-to)107-131
Number of pages25
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume792
DOIs
Publication statusPublished - 10 May 2019

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leptons
bosons
neutrinos
collisions
protons
confidence
transverse momentum
fermions
luminosity
decay

Keywords

  • CMS
  • MET
  • Physics
  • Tau

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Search for a W boson decaying to a τ lepton and a neutrino in proton-proton collisions at s=13TeV. / The CMS collaboration; E-mail address: cms-publication-committee-chair@cern.ch.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 792, 10.05.2019, p. 107-131.

Research output: Contribution to journalArticle

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abstract = "A search for a new high-mass resonance decaying to a τ lepton and a neutrino is reported. The analysis uses proton-proton collision data collected by the CMS experiment at the LHC at s=13TeV, corresponding to an integrated luminosity of 35.9fb −1 . The search utilizes hadronically decaying τ leptons. No excess in the event yield is observed at high transverse masses of the τ and missing transverse momentum. An interpretation of results within the sequential standard model excludes W ′ boson masses below 4.0 TeV at 95{\%} confidence level. Existing limits are also improved on models in which the W ′ boson decays preferentially to fermions of the third generation. Heavy W ′ bosons with masses less than 1.7–3.9 TeV, depending on the coupling in the non-universal G(221) model, are excluded at 95{\%} confidence level. These are the most stringent limits on this model to date.",
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AU - The CMS collaboration

AU - E-mail address: cms-publication-committee-chair@cern.ch

AU - Sirunyan, A. M.

AU - Tumasyan, A.

AU - Adam, W.

AU - Ambrogi, F.

AU - Asilar, E.

AU - Bergauer, T.

AU - Brandstetter, J.

AU - Dragicevic, M.

AU - Erö, J.

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AU - Rad, N.

AU - Rohringer, H.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Spanring, M.

AU - Spitzbart, D.

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AU - Waltenberger, W.

AU - Wittmann, J.

AU - Wulz, C. E.

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AU - Mossolov, V.

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AU - De Wolf, E. A.

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AU - Kim, J.

AU - Kim, J.

AU - Kim, J.

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AU - Zarubin, A.

AU - Ivanov, Y.

AU - Kim, V.

AU - Oreshkin, V.

AU - Vavilov, S.

AU - Popov, V.

AU - Ershov, A.

AU - Babaev, A.

AU - Baidali, S.

AU - Okhotnikov, V.

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AB - A search for a new high-mass resonance decaying to a τ lepton and a neutrino is reported. The analysis uses proton-proton collision data collected by the CMS experiment at the LHC at s=13TeV, corresponding to an integrated luminosity of 35.9fb −1 . The search utilizes hadronically decaying τ leptons. No excess in the event yield is observed at high transverse masses of the τ and missing transverse momentum. An interpretation of results within the sequential standard model excludes W ′ boson masses below 4.0 TeV at 95% confidence level. Existing limits are also improved on models in which the W ′ boson decays preferentially to fermions of the third generation. Heavy W ′ bosons with masses less than 1.7–3.9 TeV, depending on the coupling in the non-universal G(221) model, are excluded at 95% confidence level. These are the most stringent limits on this model to date.

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